The Harmony Essentials Pack combines everything mums need for breast milk pumping in one breast pump set. It comes complete with a silicone teat, four milk storage bags to store and freeze your milk, and four ultra-thin nursing pads: everything you need A complete breast pump kit with everything you need to start pumping and feeding your baby right away.Compact, light and portable: take Harmony and the pump set everywhere you go.PersonalFit Flex breast shields: for increased comfort and more milk 1.